QGIS API Documentation 3.99.0-Master (2fe06baccd8)
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qgscalloutwidget.cpp
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1/***************************************************************************
2 qgscalloutwidget.cpp
3 ---------------------
4 begin : July 2019
5 copyright : (C) 2019 by Nyall Dawson
6 email : nyall dot dawson at gmail dot com
7 ***************************************************************************
8 * *
9 * This program is free software; you can redistribute it and/or modify *
10 * it under the terms of the GNU General Public License as published by *
11 * the Free Software Foundation; either version 2 of the License, or *
12 * (at your option) any later version. *
13 * *
14 ***************************************************************************/
15
16#include "qgscalloutwidget.h"
17
18#include "qgsauxiliarystorage.h"
19#include "qgscallout.h"
20#include "qgsexpressioncontextutils.h"
21#include "qgsfillsymbol.h"
22#include "qgslinesymbol.h"
23#include "qgsmarkersymbol.h"
24#include "qgsnewauxiliaryfielddialog.h"
25#include "qgsnewauxiliarylayerdialog.h"
26#include "qgsunitselectionwidget.h"
27#include "qgsvectorlayer.h"
28
29#include "moc_qgscalloutwidget.cpp"
30
31QgsExpressionContext QgsCalloutWidget::createExpressionContext() const
32{
33 if ( auto *lExpressionContext = mContext.expressionContext() )
34 return *lExpressionContext;
35
36 QgsExpressionContext expContext( mContext.globalProjectAtlasMapLayerScopes( layer() ) );
37 QgsExpressionContextScope *symbolScope = QgsExpressionContextUtils::updateSymbolScope( nullptr, new QgsExpressionContextScope() );
38 symbolScope->addVariable( QgsExpressionContextScope::StaticVariable( QgsExpressionContext::EXPR_SYMBOL_COLOR, QColor(), true ) );
39 expContext << symbolScope;
40
41 // additional scopes
42 const auto constAdditionalExpressionContextScopes = mContext.additionalExpressionContextScopes();
43 for ( const QgsExpressionContextScope &scope : constAdditionalExpressionContextScopes )
44 {
45 expContext.appendScope( new QgsExpressionContextScope( scope ) );
46 }
47
48 //TODO - show actual value
49 expContext.setOriginalValueVariable( QVariant() );
50
51 expContext.setHighlightedVariables( QStringList() << QgsExpressionContext::EXPR_ORIGINAL_VALUE << QgsExpressionContext::EXPR_SYMBOL_COLOR );
52
53 return expContext;
54}
55
56void QgsCalloutWidget::setContext( const QgsSymbolWidgetContext &context )
57{
58 mContext = context;
59 const auto unitSelectionWidgets = findChildren<QgsUnitSelectionWidget *>();
60 for ( QgsUnitSelectionWidget *unitWidget : unitSelectionWidgets )
61 {
62 unitWidget->setMapCanvas( mContext.mapCanvas() );
63 }
64 const auto symbolButtonWidgets = findChildren<QgsSymbolButton *>();
65 for ( QgsSymbolButton *symbolWidget : symbolButtonWidgets )
66 {
67 symbolWidget->setMapCanvas( mContext.mapCanvas() );
68 symbolWidget->setMessageBar( mContext.messageBar() );
69 }
70}
71
72QgsSymbolWidgetContext QgsCalloutWidget::context() const
73{
74 return mContext;
75}
76
77void QgsCalloutWidget::registerDataDefinedButton( QgsPropertyOverrideButton *button, QgsCallout::Property key )
78{
79 button->init( static_cast<int>( key ), callout()->dataDefinedProperties(), QgsCallout::propertyDefinitions(), qobject_cast<QgsVectorLayer *>( mLayer ), true );
80 connect( button, &QgsPropertyOverrideButton::changed, this, &QgsCalloutWidget::updateDataDefinedProperty );
81 connect( button, &QgsPropertyOverrideButton::createAuxiliaryField, this, &QgsCalloutWidget::createAuxiliaryField );
82
83 button->registerExpressionContextGenerator( this );
84}
85
86void QgsCalloutWidget::createAuxiliaryField()
87{
88 // try to create an auxiliary layer if not yet created
89 QgsVectorLayer *vectorLayer = qobject_cast<QgsVectorLayer *>( mLayer );
90 if ( !vectorLayer )
91 return;
92
93 if ( !vectorLayer->auxiliaryLayer() )
94 {
95 QgsNewAuxiliaryLayerDialog dlg( vectorLayer, this );
96 dlg.exec();
97 }
98
99 // return if still not exists
100 if ( !vectorLayer->auxiliaryLayer() )
101 return;
102
103 QgsPropertyOverrideButton *button = qobject_cast<QgsPropertyOverrideButton *>( sender() );
104 const QgsCallout::Property key = static_cast<QgsCallout::Property>( button->propertyKey() );
105 const QgsPropertyDefinition def = QgsCallout::propertyDefinitions()[static_cast<int>( key )];
106
107 // create property in auxiliary storage if necessary
108 if ( !vectorLayer->auxiliaryLayer()->exists( def ) )
109 {
110 vectorLayer->auxiliaryLayer()->addAuxiliaryField( def );
111 }
112
113 // update property with join field name from auxiliary storage
114 QgsProperty property = button->toProperty();
115 property.setField( QgsAuxiliaryLayer::nameFromProperty( def, true ) );
116 property.setActive( true );
117 button->updateFieldLists();
118 button->setToProperty( property );
119
120 callout()->dataDefinedProperties().setProperty( key, button->toProperty() );
121
122 emit changed();
123}
124
125void QgsCalloutWidget::updateDataDefinedProperty()
126{
127 QgsPropertyOverrideButton *button = qobject_cast<QgsPropertyOverrideButton *>( sender() );
128 const QgsCallout::Property key = static_cast<QgsCallout::Property>( button->propertyKey() );
129 callout()->dataDefinedProperties().setProperty( key, button->toProperty() );
130 emit changed();
131}
132
134
135//
136// QgsSimpleLineCalloutWidget
137//
138
139QgsSimpleLineCalloutWidget::QgsSimpleLineCalloutWidget( QgsMapLayer *vl, QWidget *parent )
140 : QgsCalloutWidget( parent, vl )
141{
142 setupUi( this );
143
144 // Callout options - to move to custom widgets when multiple callout styles exist
145 mCalloutLineStyleButton->setSymbolType( Qgis::SymbolType::Line );
146 mCalloutLineStyleButton->setDialogTitle( tr( "Callout Symbol" ) );
147 mCalloutLineStyleButton->registerExpressionContextGenerator( this );
148
149 mCalloutLineStyleButton->setLayer( qobject_cast<QgsVectorLayer *>( vl ) );
150 mMinCalloutWidthUnitWidget->setUnits( QgsUnitTypes::RenderUnitList() << Qgis::RenderUnit::Millimeters << Qgis::RenderUnit::MetersInMapUnits << Qgis::RenderUnit::MapUnits << Qgis::RenderUnit::Pixels << Qgis::RenderUnit::Points << Qgis::RenderUnit::Inches );
151 mOffsetFromAnchorUnitWidget->setUnits( QgsUnitTypes::RenderUnitList() << Qgis::RenderUnit::Millimeters << Qgis::RenderUnit::MetersInMapUnits << Qgis::RenderUnit::MapUnits << Qgis::RenderUnit::Pixels << Qgis::RenderUnit::Points << Qgis::RenderUnit::Inches );
152 mOffsetFromLabelUnitWidget->setUnits( QgsUnitTypes::RenderUnitList() << Qgis::RenderUnit::Millimeters << Qgis::RenderUnit::MetersInMapUnits << Qgis::RenderUnit::MapUnits << Qgis::RenderUnit::Pixels << Qgis::RenderUnit::Points << Qgis::RenderUnit::Inches );
153
154 connect( mMinCalloutWidthUnitWidget, &QgsUnitSelectionWidget::changed, this, &QgsSimpleLineCalloutWidget::minimumLengthUnitWidgetChanged );
155 connect( mMinCalloutLengthSpin, static_cast<void ( QDoubleSpinBox::* )( double )>( &QDoubleSpinBox::valueChanged ), this, &QgsSimpleLineCalloutWidget::minimumLengthChanged );
156
157 connect( mOffsetFromAnchorUnitWidget, &QgsUnitSelectionWidget::changed, this, &QgsSimpleLineCalloutWidget::offsetFromAnchorUnitWidgetChanged );
158 connect( mOffsetFromAnchorSpin, static_cast<void ( QDoubleSpinBox::* )( double )>( &QDoubleSpinBox::valueChanged ), this, &QgsSimpleLineCalloutWidget::offsetFromAnchorChanged );
159 connect( mOffsetFromLabelUnitWidget, &QgsUnitSelectionWidget::changed, this, &QgsSimpleLineCalloutWidget::offsetFromLabelUnitWidgetChanged );
160 connect( mOffsetFromLabelSpin, static_cast<void ( QDoubleSpinBox::* )( double )>( &QDoubleSpinBox::valueChanged ), this, &QgsSimpleLineCalloutWidget::offsetFromLabelChanged );
161
162 connect( mDrawToAllPartsCheck, &QCheckBox::toggled, this, &QgsSimpleLineCalloutWidget::drawToAllPartsToggled );
163
164 // Anchor point options
165 mAnchorPointComboBox->addItem( tr( "Pole of Inaccessibility" ), static_cast<int>( QgsCallout::PoleOfInaccessibility ) );
166 mAnchorPointComboBox->addItem( tr( "Point on Exterior" ), static_cast<int>( QgsCallout::PointOnExterior ) );
167 mAnchorPointComboBox->addItem( tr( "Point on Surface" ), static_cast<int>( QgsCallout::PointOnSurface ) );
168 mAnchorPointComboBox->addItem( tr( "Centroid" ), static_cast<int>( QgsCallout::Centroid ) );
169 connect( mAnchorPointComboBox, static_cast<void ( QComboBox::* )( int )>( &QComboBox::currentIndexChanged ), this, &QgsSimpleLineCalloutWidget::mAnchorPointComboBox_currentIndexChanged );
170
171 mLabelAnchorPointComboBox->addItem( tr( "Closest Point" ), static_cast<int>( QgsCallout::LabelPointOnExterior ) );
172 mLabelAnchorPointComboBox->addItem( tr( "Centroid" ), static_cast<int>( QgsCallout::LabelCentroid ) );
173 mLabelAnchorPointComboBox->addItem( tr( "Top Left" ), static_cast<int>( QgsCallout::LabelTopLeft ) );
174 mLabelAnchorPointComboBox->addItem( tr( "Top Center" ), static_cast<int>( QgsCallout::LabelTopMiddle ) );
175 mLabelAnchorPointComboBox->addItem( tr( "Top Right" ), static_cast<int>( QgsCallout::LabelTopRight ) );
176 mLabelAnchorPointComboBox->addItem( tr( "Left Middle" ), static_cast<int>( QgsCallout::LabelMiddleLeft ) );
177 mLabelAnchorPointComboBox->addItem( tr( "Right Middle" ), static_cast<int>( QgsCallout::LabelMiddleRight ) );
178 mLabelAnchorPointComboBox->addItem( tr( "Bottom Left" ), static_cast<int>( QgsCallout::LabelBottomLeft ) );
179 mLabelAnchorPointComboBox->addItem( tr( "Bottom Center" ), static_cast<int>( QgsCallout::LabelBottomMiddle ) );
180 mLabelAnchorPointComboBox->addItem( tr( "Bottom Right" ), static_cast<int>( QgsCallout::LabelBottomRight ) );
181 connect( mLabelAnchorPointComboBox, static_cast<void ( QComboBox::* )( int )>( &QComboBox::currentIndexChanged ), this, &QgsSimpleLineCalloutWidget::mLabelAnchorPointComboBox_currentIndexChanged );
182
183 connect( mCalloutLineStyleButton, &QgsSymbolButton::changed, this, &QgsSimpleLineCalloutWidget::lineSymbolChanged );
184
185 connect( mCalloutBlendComboBox, static_cast<void ( QComboBox::* )( int )>( &QComboBox::currentIndexChanged ), this, &QgsSimpleLineCalloutWidget::mCalloutBlendComboBox_currentIndexChanged );
186
187 mPlacementDDGroupBox->setVisible( qobject_cast<QgsVectorLayer *>( vl ) );
188}
189
190void QgsSimpleLineCalloutWidget::setCallout( const QgsCallout *callout )
191{
192 if ( !callout )
193 return;
194
195 mCallout.reset( dynamic_cast<QgsSimpleLineCallout *>( callout->clone() ) );
196 if ( !mCallout )
197 return;
198
199 mMinCalloutWidthUnitWidget->blockSignals( true );
200 mMinCalloutWidthUnitWidget->setUnit( mCallout->minimumLengthUnit() );
201 mMinCalloutWidthUnitWidget->setMapUnitScale( mCallout->minimumLengthMapUnitScale() );
202 mMinCalloutWidthUnitWidget->blockSignals( false );
203
204 whileBlocking( mMinCalloutLengthSpin )->setValue( mCallout->minimumLength() );
205
206 mOffsetFromAnchorUnitWidget->blockSignals( true );
207 mOffsetFromAnchorUnitWidget->setUnit( mCallout->offsetFromAnchorUnit() );
208 mOffsetFromAnchorUnitWidget->setMapUnitScale( mCallout->offsetFromAnchorMapUnitScale() );
209 mOffsetFromAnchorUnitWidget->blockSignals( false );
210 mOffsetFromLabelUnitWidget->blockSignals( true );
211 mOffsetFromLabelUnitWidget->setUnit( mCallout->offsetFromLabelUnit() );
212 mOffsetFromLabelUnitWidget->setMapUnitScale( mCallout->offsetFromLabelMapUnitScale() );
213 mOffsetFromLabelUnitWidget->blockSignals( false );
214 whileBlocking( mOffsetFromAnchorSpin )->setValue( mCallout->offsetFromAnchor() );
215 whileBlocking( mOffsetFromLabelSpin )->setValue( mCallout->offsetFromLabel() );
216
217 whileBlocking( mCalloutLineStyleButton )->setSymbol( mCallout->lineSymbol()->clone() );
218
219 whileBlocking( mDrawToAllPartsCheck )->setChecked( mCallout->drawCalloutToAllParts() );
220
221 whileBlocking( mAnchorPointComboBox )->setCurrentIndex( mAnchorPointComboBox->findData( static_cast<int>( callout->anchorPoint() ) ) );
222 whileBlocking( mLabelAnchorPointComboBox )->setCurrentIndex( mLabelAnchorPointComboBox->findData( static_cast<int>( callout->labelAnchorPoint() ) ) );
223
224 whileBlocking( mCalloutBlendComboBox )->setBlendMode( mCallout->blendMode() );
225
226 registerDataDefinedButton( mMinCalloutLengthDDBtn, QgsCallout::Property::MinimumCalloutLength );
227 registerDataDefinedButton( mOffsetFromAnchorDDBtn, QgsCallout::Property::OffsetFromAnchor );
228 registerDataDefinedButton( mOffsetFromLabelDDBtn, QgsCallout::Property::OffsetFromLabel );
229 registerDataDefinedButton( mDrawToAllPartsDDBtn, QgsCallout::Property::DrawCalloutToAllParts );
230 registerDataDefinedButton( mAnchorPointDDBtn, QgsCallout::Property::AnchorPointPosition );
231 registerDataDefinedButton( mLabelAnchorPointDDBtn, QgsCallout::Property::LabelAnchorPointPosition );
232 registerDataDefinedButton( mCalloutBlendModeDDBtn, QgsCallout::Property::BlendMode );
233
234 registerDataDefinedButton( mOriginXDDBtn, QgsCallout::Property::OriginX );
235 registerDataDefinedButton( mOriginYDDBtn, QgsCallout::Property::OriginY );
236 registerDataDefinedButton( mDestXDDBtn, QgsCallout::Property::DestinationX );
237 registerDataDefinedButton( mDestYDDBtn, QgsCallout::Property::DestinationY );
238}
239
240void QgsSimpleLineCalloutWidget::setGeometryType( Qgis::GeometryType type )
241{
242 const bool isPolygon = type == Qgis::GeometryType::Polygon;
243 mAnchorPointLbl->setEnabled( isPolygon );
244 mAnchorPointLbl->setVisible( isPolygon );
245 mAnchorPointComboBox->setEnabled( isPolygon );
246 mAnchorPointComboBox->setVisible( isPolygon );
247 mAnchorPointDDBtn->setEnabled( isPolygon );
248 mAnchorPointDDBtn->setVisible( isPolygon );
249}
250
251QgsCallout *QgsSimpleLineCalloutWidget::callout()
252{
253 return mCallout.get();
254}
255
256void QgsSimpleLineCalloutWidget::minimumLengthChanged()
257{
258 mCallout->setMinimumLength( mMinCalloutLengthSpin->value() );
259 emit changed();
260}
261
262void QgsSimpleLineCalloutWidget::minimumLengthUnitWidgetChanged()
263{
264 mCallout->setMinimumLengthUnit( mMinCalloutWidthUnitWidget->unit() );
265 mCallout->setMinimumLengthMapUnitScale( mMinCalloutWidthUnitWidget->getMapUnitScale() );
266 emit changed();
267}
268
269void QgsSimpleLineCalloutWidget::offsetFromAnchorUnitWidgetChanged()
270{
271 mCallout->setOffsetFromAnchorUnit( mOffsetFromAnchorUnitWidget->unit() );
272 mCallout->setOffsetFromAnchorMapUnitScale( mOffsetFromAnchorUnitWidget->getMapUnitScale() );
273 emit changed();
274}
275
276void QgsSimpleLineCalloutWidget::offsetFromAnchorChanged()
277{
278 mCallout->setOffsetFromAnchor( mOffsetFromAnchorSpin->value() );
279 emit changed();
280}
281
282void QgsSimpleLineCalloutWidget::offsetFromLabelUnitWidgetChanged()
283{
284 mCallout->setOffsetFromLabelUnit( mOffsetFromLabelUnitWidget->unit() );
285 mCallout->setOffsetFromLabelMapUnitScale( mOffsetFromLabelUnitWidget->getMapUnitScale() );
286 emit changed();
287}
288
289void QgsSimpleLineCalloutWidget::offsetFromLabelChanged()
290{
291 mCallout->setOffsetFromLabel( mOffsetFromLabelSpin->value() );
292 emit changed();
293}
294
295void QgsSimpleLineCalloutWidget::lineSymbolChanged()
296{
297 mCallout->setLineSymbol( mCalloutLineStyleButton->clonedSymbol<QgsLineSymbol>() );
298 emit changed();
299}
300
301void QgsSimpleLineCalloutWidget::mAnchorPointComboBox_currentIndexChanged( int index )
302{
303 mCallout->setAnchorPoint( static_cast<QgsCallout::AnchorPoint>( mAnchorPointComboBox->itemData( index ).toInt() ) );
304 emit changed();
305}
306
307void QgsSimpleLineCalloutWidget::mLabelAnchorPointComboBox_currentIndexChanged( int index )
308{
309 mCallout->setLabelAnchorPoint( static_cast<QgsCallout::LabelAnchorPoint>( mLabelAnchorPointComboBox->itemData( index ).toInt() ) );
310 emit changed();
311}
312
313void QgsSimpleLineCalloutWidget::mCalloutBlendComboBox_currentIndexChanged( int )
314{
315 mCallout->setBlendMode( mCalloutBlendComboBox->blendMode() );
316 emit changed();
317}
318
319void QgsSimpleLineCalloutWidget::drawToAllPartsToggled( bool active )
320{
321 mCallout->setDrawCalloutToAllParts( active );
322 emit changed();
323}
324
325
326//
327// QgsManhattanLineCalloutWidget
328//
329
330QgsManhattanLineCalloutWidget::QgsManhattanLineCalloutWidget( QgsMapLayer *vl, QWidget *parent )
331 : QgsSimpleLineCalloutWidget( vl, parent )
332{
333}
334
335
336//
337// QgsCurvedLineCalloutWidget
338//
339
340QgsCurvedLineCalloutWidget::QgsCurvedLineCalloutWidget( QgsMapLayer *vl, QWidget *parent )
341 : QgsCalloutWidget( parent, vl )
342{
343 setupUi( this );
344
345 // Callout options - to move to custom widgets when multiple callout styles exist
346 mCalloutLineStyleButton->setSymbolType( Qgis::SymbolType::Line );
347 mCalloutLineStyleButton->setDialogTitle( tr( "Callout Symbol" ) );
348 mCalloutLineStyleButton->registerExpressionContextGenerator( this );
349
350 mCalloutLineStyleButton->setLayer( qobject_cast<QgsVectorLayer *>( vl ) );
351 mMinCalloutWidthUnitWidget->setUnits( QgsUnitTypes::RenderUnitList() << Qgis::RenderUnit::Millimeters << Qgis::RenderUnit::MetersInMapUnits << Qgis::RenderUnit::MapUnits << Qgis::RenderUnit::Pixels << Qgis::RenderUnit::Points << Qgis::RenderUnit::Inches );
352 mOffsetFromAnchorUnitWidget->setUnits( QgsUnitTypes::RenderUnitList() << Qgis::RenderUnit::Millimeters << Qgis::RenderUnit::MetersInMapUnits << Qgis::RenderUnit::MapUnits << Qgis::RenderUnit::Pixels << Qgis::RenderUnit::Points << Qgis::RenderUnit::Inches );
353 mOffsetFromLabelUnitWidget->setUnits( QgsUnitTypes::RenderUnitList() << Qgis::RenderUnit::Millimeters << Qgis::RenderUnit::MetersInMapUnits << Qgis::RenderUnit::MapUnits << Qgis::RenderUnit::Pixels << Qgis::RenderUnit::Points << Qgis::RenderUnit::Inches );
354
355 connect( mMinCalloutWidthUnitWidget, &QgsUnitSelectionWidget::changed, this, &QgsCurvedLineCalloutWidget::minimumLengthUnitWidgetChanged );
356 connect( mMinCalloutLengthSpin, static_cast<void ( QDoubleSpinBox::* )( double )>( &QDoubleSpinBox::valueChanged ), this, &QgsCurvedLineCalloutWidget::minimumLengthChanged );
357
358 connect( mOffsetFromAnchorUnitWidget, &QgsUnitSelectionWidget::changed, this, &QgsCurvedLineCalloutWidget::offsetFromAnchorUnitWidgetChanged );
359 connect( mOffsetFromAnchorSpin, static_cast<void ( QDoubleSpinBox::* )( double )>( &QDoubleSpinBox::valueChanged ), this, &QgsCurvedLineCalloutWidget::offsetFromAnchorChanged );
360 connect( mOffsetFromLabelUnitWidget, &QgsUnitSelectionWidget::changed, this, &QgsCurvedLineCalloutWidget::offsetFromLabelUnitWidgetChanged );
361 connect( mOffsetFromLabelSpin, static_cast<void ( QDoubleSpinBox::* )( double )>( &QDoubleSpinBox::valueChanged ), this, &QgsCurvedLineCalloutWidget::offsetFromLabelChanged );
362
363 connect( mDrawToAllPartsCheck, &QCheckBox::toggled, this, &QgsCurvedLineCalloutWidget::drawToAllPartsToggled );
364
365 mOrientationComboBox->addItem( tr( "Automatic" ), static_cast<int>( QgsCurvedLineCallout::Automatic ) );
366 mOrientationComboBox->addItem( tr( "Clockwise" ), static_cast<int>( QgsCurvedLineCallout::Clockwise ) );
367 mOrientationComboBox->addItem( tr( "Counter Clockwise" ), static_cast<int>( QgsCurvedLineCallout::CounterClockwise ) );
368 connect( mOrientationComboBox, static_cast<void ( QComboBox::* )( int )>( &QComboBox::currentIndexChanged ), this, [this]( int index ) {
369 mCallout->setOrientation( static_cast<QgsCurvedLineCallout::Orientation>( mOrientationComboBox->itemData( index ).toInt() ) );
370 emit changed();
371 } );
372
373 // Anchor point options
374 mAnchorPointComboBox->addItem( tr( "Pole of Inaccessibility" ), static_cast<int>( QgsCallout::PoleOfInaccessibility ) );
375 mAnchorPointComboBox->addItem( tr( "Point on Exterior" ), static_cast<int>( QgsCallout::PointOnExterior ) );
376 mAnchorPointComboBox->addItem( tr( "Point on Surface" ), static_cast<int>( QgsCallout::PointOnSurface ) );
377 mAnchorPointComboBox->addItem( tr( "Centroid" ), static_cast<int>( QgsCallout::Centroid ) );
378 connect( mAnchorPointComboBox, static_cast<void ( QComboBox::* )( int )>( &QComboBox::currentIndexChanged ), this, &QgsCurvedLineCalloutWidget::mAnchorPointComboBox_currentIndexChanged );
379
380 mLabelAnchorPointComboBox->addItem( tr( "Closest Point" ), static_cast<int>( QgsCallout::LabelPointOnExterior ) );
381 mLabelAnchorPointComboBox->addItem( tr( "Centroid" ), static_cast<int>( QgsCallout::LabelCentroid ) );
382 mLabelAnchorPointComboBox->addItem( tr( "Top Left" ), static_cast<int>( QgsCallout::LabelTopLeft ) );
383 mLabelAnchorPointComboBox->addItem( tr( "Top Center" ), static_cast<int>( QgsCallout::LabelTopMiddle ) );
384 mLabelAnchorPointComboBox->addItem( tr( "Top Right" ), static_cast<int>( QgsCallout::LabelTopRight ) );
385 mLabelAnchorPointComboBox->addItem( tr( "Left Middle" ), static_cast<int>( QgsCallout::LabelMiddleLeft ) );
386 mLabelAnchorPointComboBox->addItem( tr( "Right Middle" ), static_cast<int>( QgsCallout::LabelMiddleRight ) );
387 mLabelAnchorPointComboBox->addItem( tr( "Bottom Left" ), static_cast<int>( QgsCallout::LabelBottomLeft ) );
388 mLabelAnchorPointComboBox->addItem( tr( "Bottom Center" ), static_cast<int>( QgsCallout::LabelBottomMiddle ) );
389 mLabelAnchorPointComboBox->addItem( tr( "Bottom Right" ), static_cast<int>( QgsCallout::LabelBottomRight ) );
390 connect( mLabelAnchorPointComboBox, static_cast<void ( QComboBox::* )( int )>( &QComboBox::currentIndexChanged ), this, &QgsCurvedLineCalloutWidget::mLabelAnchorPointComboBox_currentIndexChanged );
391
392 connect( mCalloutLineStyleButton, &QgsSymbolButton::changed, this, &QgsCurvedLineCalloutWidget::lineSymbolChanged );
393
394 connect( mCurvatureSlider, &QSlider::valueChanged, this, [this]( int value ) { mCurvatureSpinBox->setValue( value / 10.0 ); } );
395 connect( mCurvatureSpinBox, static_cast<void ( QgsDoubleSpinBox::* )( double )>( &QgsDoubleSpinBox::valueChanged ), this, [this]( double value ) { whileBlocking( mCurvatureSlider )->setValue( value * 10 ); } );
396 connect( mCurvatureSpinBox, static_cast<void ( QgsDoubleSpinBox::* )( double )>( &QgsDoubleSpinBox::valueChanged ), this, [this]( double value ) {
397 mCallout->setCurvature( value / 100.0 );
398 emit changed();
399 } );
400
401 connect( mCalloutBlendComboBox, static_cast<void ( QComboBox::* )( int )>( &QComboBox::currentIndexChanged ), this, &QgsCurvedLineCalloutWidget::mCalloutBlendComboBox_currentIndexChanged );
402
403 mPlacementDDGroupBox->setVisible( qobject_cast<QgsVectorLayer *>( vl ) );
404}
405
406void QgsCurvedLineCalloutWidget::setCallout( const QgsCallout *callout )
407{
408 if ( !callout )
409 return;
410
411 mCallout.reset( dynamic_cast<QgsCurvedLineCallout *>( callout->clone() ) );
412 if ( !mCallout )
413 return;
414
415 mMinCalloutWidthUnitWidget->blockSignals( true );
416 mMinCalloutWidthUnitWidget->setUnit( mCallout->minimumLengthUnit() );
417 mMinCalloutWidthUnitWidget->setMapUnitScale( mCallout->minimumLengthMapUnitScale() );
418 mMinCalloutWidthUnitWidget->blockSignals( false );
419
420 whileBlocking( mMinCalloutLengthSpin )->setValue( mCallout->minimumLength() );
421
422 mOffsetFromAnchorUnitWidget->blockSignals( true );
423 mOffsetFromAnchorUnitWidget->setUnit( mCallout->offsetFromAnchorUnit() );
424 mOffsetFromAnchorUnitWidget->setMapUnitScale( mCallout->offsetFromAnchorMapUnitScale() );
425 mOffsetFromAnchorUnitWidget->blockSignals( false );
426 mOffsetFromLabelUnitWidget->blockSignals( true );
427 mOffsetFromLabelUnitWidget->setUnit( mCallout->offsetFromLabelUnit() );
428 mOffsetFromLabelUnitWidget->setMapUnitScale( mCallout->offsetFromLabelMapUnitScale() );
429 mOffsetFromLabelUnitWidget->blockSignals( false );
430 whileBlocking( mOffsetFromAnchorSpin )->setValue( mCallout->offsetFromAnchor() );
431 whileBlocking( mOffsetFromLabelSpin )->setValue( mCallout->offsetFromLabel() );
432
433 whileBlocking( mCalloutLineStyleButton )->setSymbol( mCallout->lineSymbol()->clone() );
434
435 whileBlocking( mDrawToAllPartsCheck )->setChecked( mCallout->drawCalloutToAllParts() );
436
437 whileBlocking( mOrientationComboBox )->setCurrentIndex( mOrientationComboBox->findData( static_cast<int>( mCallout->orientation() ) ) );
438
439 whileBlocking( mAnchorPointComboBox )->setCurrentIndex( mAnchorPointComboBox->findData( static_cast<int>( callout->anchorPoint() ) ) );
440 whileBlocking( mLabelAnchorPointComboBox )->setCurrentIndex( mLabelAnchorPointComboBox->findData( static_cast<int>( callout->labelAnchorPoint() ) ) );
441
442 whileBlocking( mCalloutBlendComboBox )->setBlendMode( mCallout->blendMode() );
443
444 whileBlocking( mCurvatureSpinBox )->setValue( mCallout->curvature() * 100.0 );
445 whileBlocking( mCurvatureSlider )->setValue( mCallout->curvature() * 1000.0 );
446
447 registerDataDefinedButton( mMinCalloutLengthDDBtn, QgsCallout::Property::MinimumCalloutLength );
448 registerDataDefinedButton( mOffsetFromAnchorDDBtn, QgsCallout::Property::OffsetFromAnchor );
449 registerDataDefinedButton( mOffsetFromLabelDDBtn, QgsCallout::Property::OffsetFromLabel );
450 registerDataDefinedButton( mDrawToAllPartsDDBtn, QgsCallout::Property::DrawCalloutToAllParts );
451 registerDataDefinedButton( mAnchorPointDDBtn, QgsCallout::Property::AnchorPointPosition );
452 registerDataDefinedButton( mLabelAnchorPointDDBtn, QgsCallout::Property::LabelAnchorPointPosition );
453 registerDataDefinedButton( mCalloutBlendModeDDBtn, QgsCallout::Property::BlendMode );
454 registerDataDefinedButton( mCalloutCurvatureDDBtn, QgsCallout::Property::Curvature );
455 registerDataDefinedButton( mCalloutOrientationDDBtn, QgsCallout::Property::Orientation );
456
457 registerDataDefinedButton( mOriginXDDBtn, QgsCallout::Property::OriginX );
458 registerDataDefinedButton( mOriginYDDBtn, QgsCallout::Property::OriginY );
459 registerDataDefinedButton( mDestXDDBtn, QgsCallout::Property::DestinationX );
460 registerDataDefinedButton( mDestYDDBtn, QgsCallout::Property::DestinationY );
461}
462
463void QgsCurvedLineCalloutWidget::setGeometryType( Qgis::GeometryType type )
464{
465 const bool isPolygon = type == Qgis::GeometryType::Polygon;
466 mAnchorPointLbl->setEnabled( isPolygon );
467 mAnchorPointLbl->setVisible( isPolygon );
468 mAnchorPointComboBox->setEnabled( isPolygon );
469 mAnchorPointComboBox->setVisible( isPolygon );
470 mAnchorPointDDBtn->setEnabled( isPolygon );
471 mAnchorPointDDBtn->setVisible( isPolygon );
472}
473
474QgsCallout *QgsCurvedLineCalloutWidget::callout()
475{
476 return mCallout.get();
477}
478
479void QgsCurvedLineCalloutWidget::minimumLengthChanged()
480{
481 mCallout->setMinimumLength( mMinCalloutLengthSpin->value() );
482 emit changed();
483}
484
485void QgsCurvedLineCalloutWidget::minimumLengthUnitWidgetChanged()
486{
487 mCallout->setMinimumLengthUnit( mMinCalloutWidthUnitWidget->unit() );
488 mCallout->setMinimumLengthMapUnitScale( mMinCalloutWidthUnitWidget->getMapUnitScale() );
489 emit changed();
490}
491
492void QgsCurvedLineCalloutWidget::offsetFromAnchorUnitWidgetChanged()
493{
494 mCallout->setOffsetFromAnchorUnit( mOffsetFromAnchorUnitWidget->unit() );
495 mCallout->setOffsetFromAnchorMapUnitScale( mOffsetFromAnchorUnitWidget->getMapUnitScale() );
496 emit changed();
497}
498
499void QgsCurvedLineCalloutWidget::offsetFromAnchorChanged()
500{
501 mCallout->setOffsetFromAnchor( mOffsetFromAnchorSpin->value() );
502 emit changed();
503}
504
505void QgsCurvedLineCalloutWidget::offsetFromLabelUnitWidgetChanged()
506{
507 mCallout->setOffsetFromLabelUnit( mOffsetFromLabelUnitWidget->unit() );
508 mCallout->setOffsetFromLabelMapUnitScale( mOffsetFromLabelUnitWidget->getMapUnitScale() );
509 emit changed();
510}
511
512void QgsCurvedLineCalloutWidget::offsetFromLabelChanged()
513{
514 mCallout->setOffsetFromLabel( mOffsetFromLabelSpin->value() );
515 emit changed();
516}
517
518void QgsCurvedLineCalloutWidget::lineSymbolChanged()
519{
520 mCallout->setLineSymbol( mCalloutLineStyleButton->clonedSymbol<QgsLineSymbol>() );
521 emit changed();
522}
523
524void QgsCurvedLineCalloutWidget::mAnchorPointComboBox_currentIndexChanged( int index )
525{
526 mCallout->setAnchorPoint( static_cast<QgsCallout::AnchorPoint>( mAnchorPointComboBox->itemData( index ).toInt() ) );
527 emit changed();
528}
529
530void QgsCurvedLineCalloutWidget::mLabelAnchorPointComboBox_currentIndexChanged( int index )
531{
532 mCallout->setLabelAnchorPoint( static_cast<QgsCallout::LabelAnchorPoint>( mLabelAnchorPointComboBox->itemData( index ).toInt() ) );
533 emit changed();
534}
535
536void QgsCurvedLineCalloutWidget::mCalloutBlendComboBox_currentIndexChanged( int )
537{
538 mCallout->setBlendMode( mCalloutBlendComboBox->blendMode() );
539 emit changed();
540}
541
542void QgsCurvedLineCalloutWidget::drawToAllPartsToggled( bool active )
543{
544 mCallout->setDrawCalloutToAllParts( active );
545 emit changed();
546}
547
548
549//
550// QgsBalloonCalloutWidget
551//
552
553QgsBalloonCalloutWidget::QgsBalloonCalloutWidget( QgsMapLayer *vl, QWidget *parent )
554 : QgsCalloutWidget( parent, vl )
555{
556 setupUi( this );
557
558 // Callout options - to move to custom widgets when multiple callout styles exist
559 mCalloutFillStyleButton->setSymbolType( Qgis::SymbolType::Fill );
560 mCalloutFillStyleButton->setDialogTitle( tr( "Balloon Symbol" ) );
561 mCalloutFillStyleButton->registerExpressionContextGenerator( this );
562
563 mMarkerSymbolButton->setSymbolType( Qgis::SymbolType::Marker );
564 mMarkerSymbolButton->setDialogTitle( tr( "Marker Symbol" ) );
565 mMarkerSymbolButton->registerExpressionContextGenerator( this );
566 mMarkerSymbolButton->setShowNull( true );
567 mMarkerSymbolButton->setToNull();
568
569 mCalloutFillStyleButton->setLayer( qobject_cast<QgsVectorLayer *>( vl ) );
570 mMarkerSymbolButton->setLayer( qobject_cast<QgsVectorLayer *>( vl ) );
571 mOffsetFromAnchorUnitWidget->setUnits( QgsUnitTypes::RenderUnitList() << Qgis::RenderUnit::Millimeters << Qgis::RenderUnit::MetersInMapUnits << Qgis::RenderUnit::MapUnits << Qgis::RenderUnit::Pixels << Qgis::RenderUnit::Points << Qgis::RenderUnit::Inches );
572 mMarginUnitWidget->setUnits( QgsUnitTypes::RenderUnitList() << Qgis::RenderUnit::Millimeters << Qgis::RenderUnit::MetersInMapUnits << Qgis::RenderUnit::MapUnits << Qgis::RenderUnit::Pixels << Qgis::RenderUnit::Points << Qgis::RenderUnit::Inches );
573 mWedgeWidthUnitWidget->setUnits( QgsUnitTypes::RenderUnitList() << Qgis::RenderUnit::Millimeters << Qgis::RenderUnit::MetersInMapUnits << Qgis::RenderUnit::MapUnits << Qgis::RenderUnit::Pixels << Qgis::RenderUnit::Points << Qgis::RenderUnit::Inches );
574 mCornerRadiusUnitWidget->setUnits( QgsUnitTypes::RenderUnitList() << Qgis::RenderUnit::Millimeters << Qgis::RenderUnit::MetersInMapUnits << Qgis::RenderUnit::MapUnits << Qgis::RenderUnit::Pixels << Qgis::RenderUnit::Points << Qgis::RenderUnit::Inches );
575
576 mSpinBottomMargin->setClearValue( 0 );
577 mSpinTopMargin->setClearValue( 0 );
578 mSpinRightMargin->setClearValue( 0 );
579 mSpinLeftMargin->setClearValue( 0 );
580 mWedgeWidthSpin->setClearValue( 2.64 );
581 mCornerRadiusSpin->setClearValue( 0.0 );
582
583 connect( mOffsetFromAnchorUnitWidget, &QgsUnitSelectionWidget::changed, this, &QgsBalloonCalloutWidget::offsetFromAnchorUnitWidgetChanged );
584 connect( mOffsetFromAnchorSpin, static_cast<void ( QDoubleSpinBox::* )( double )>( &QDoubleSpinBox::valueChanged ), this, &QgsBalloonCalloutWidget::offsetFromAnchorChanged );
585
586 // Anchor point options
587 mAnchorPointComboBox->addItem( tr( "Pole of Inaccessibility" ), static_cast<int>( QgsCallout::PoleOfInaccessibility ) );
588 mAnchorPointComboBox->addItem( tr( "Point on Exterior" ), static_cast<int>( QgsCallout::PointOnExterior ) );
589 mAnchorPointComboBox->addItem( tr( "Point on Surface" ), static_cast<int>( QgsCallout::PointOnSurface ) );
590 mAnchorPointComboBox->addItem( tr( "Centroid" ), static_cast<int>( QgsCallout::Centroid ) );
591 connect( mAnchorPointComboBox, static_cast<void ( QComboBox::* )( int )>( &QComboBox::currentIndexChanged ), this, &QgsBalloonCalloutWidget::mAnchorPointComboBox_currentIndexChanged );
592
593 connect( mCalloutFillStyleButton, &QgsSymbolButton::changed, this, &QgsBalloonCalloutWidget::fillSymbolChanged );
594 connect( mMarkerSymbolButton, &QgsSymbolButton::changed, this, &QgsBalloonCalloutWidget::markerSymbolChanged );
595
596 connect( mSpinBottomMargin, qOverload<double>( &QDoubleSpinBox::valueChanged ), this, [this]( double value ) {
597 QgsMargins margins = mCallout->margins();
598 margins.setBottom( value );
599 mCallout->setMargins( margins );
600 emit changed();
601 } );
602 connect( mSpinTopMargin, qOverload<double>( &QDoubleSpinBox::valueChanged ), this, [this]( double value ) {
603 QgsMargins margins = mCallout->margins();
604 margins.setTop( value );
605 mCallout->setMargins( margins );
606 emit changed();
607 } );
608 connect( mSpinLeftMargin, qOverload<double>( &QDoubleSpinBox::valueChanged ), this, [this]( double value ) {
609 QgsMargins margins = mCallout->margins();
610 margins.setLeft( value );
611 mCallout->setMargins( margins );
612 emit changed();
613 } );
614 connect( mSpinRightMargin, qOverload<double>( &QDoubleSpinBox::valueChanged ), this, [this]( double value ) {
615 QgsMargins margins = mCallout->margins();
616 margins.setRight( value );
617 mCallout->setMargins( margins );
618 emit changed();
619 } );
620 connect( mMarginUnitWidget, &QgsUnitSelectionWidget::changed, this, [this] {
621 mCallout->setMarginsUnit( mMarginUnitWidget->unit() );
622 emit changed();
623 } );
624
625 connect( mWedgeWidthUnitWidget, &QgsUnitSelectionWidget::changed, this, [this] {
626 mCallout->setWedgeWidthUnit( mWedgeWidthUnitWidget->unit() );
627 mCallout->setWedgeWidthMapUnitScale( mWedgeWidthUnitWidget->getMapUnitScale() );
628 emit changed();
629 } );
630 connect( mWedgeWidthSpin, qOverload<double>( &QDoubleSpinBox::valueChanged ), this, [this]( double value ) {
631 mCallout->setWedgeWidth( value );
632 emit changed();
633 } );
634
635 connect( mCornerRadiusUnitWidget, &QgsUnitSelectionWidget::changed, this, [this] {
636 mCallout->setCornerRadiusUnit( mCornerRadiusUnitWidget->unit() );
637 mCallout->setCornerRadiusMapUnitScale( mCornerRadiusUnitWidget->getMapUnitScale() );
638 emit changed();
639 } );
640 connect( mCornerRadiusSpin, qOverload<double>( &QDoubleSpinBox::valueChanged ), this, [this]( double value ) {
641 mCallout->setCornerRadius( value );
642 emit changed();
643 } );
644
645 connect( mCalloutBlendComboBox, static_cast<void ( QComboBox::* )( int )>( &QComboBox::currentIndexChanged ), this, &QgsBalloonCalloutWidget::mCalloutBlendComboBox_currentIndexChanged );
646
647 mPlacementDDGroupBox->setVisible( qobject_cast<QgsVectorLayer *>( vl ) );
648}
649
650void QgsBalloonCalloutWidget::setCallout( const QgsCallout *callout )
651{
652 if ( !callout )
653 return;
654
655 mCallout.reset( dynamic_cast<QgsBalloonCallout *>( callout->clone() ) );
656 if ( !mCallout )
657 return;
658
659 mOffsetFromAnchorUnitWidget->blockSignals( true );
660 mOffsetFromAnchorUnitWidget->setUnit( mCallout->offsetFromAnchorUnit() );
661 mOffsetFromAnchorUnitWidget->setMapUnitScale( mCallout->offsetFromAnchorMapUnitScale() );
662 mOffsetFromAnchorUnitWidget->blockSignals( false );
663 whileBlocking( mOffsetFromAnchorSpin )->setValue( mCallout->offsetFromAnchor() );
664
665 whileBlocking( mSpinBottomMargin )->setValue( mCallout->margins().bottom() );
666 whileBlocking( mSpinTopMargin )->setValue( mCallout->margins().top() );
667 whileBlocking( mSpinLeftMargin )->setValue( mCallout->margins().left() );
668 whileBlocking( mSpinRightMargin )->setValue( mCallout->margins().right() );
669 whileBlocking( mMarginUnitWidget )->setUnit( mCallout->marginsUnit() );
670
671 mWedgeWidthUnitWidget->blockSignals( true );
672 mWedgeWidthUnitWidget->setUnit( mCallout->wedgeWidthUnit() );
673 mWedgeWidthUnitWidget->setMapUnitScale( mCallout->wedgeWidthMapUnitScale() );
674 mWedgeWidthUnitWidget->blockSignals( false );
675 whileBlocking( mWedgeWidthSpin )->setValue( mCallout->wedgeWidth() );
676
677 mCornerRadiusUnitWidget->blockSignals( true );
678 mCornerRadiusUnitWidget->setUnit( mCallout->cornerRadiusUnit() );
679 mCornerRadiusUnitWidget->setMapUnitScale( mCallout->cornerRadiusMapUnitScale() );
680 mCornerRadiusUnitWidget->blockSignals( false );
681 whileBlocking( mCornerRadiusSpin )->setValue( mCallout->cornerRadius() );
682
683 whileBlocking( mCalloutFillStyleButton )->setSymbol( mCallout->fillSymbol()->clone() );
684 if ( QgsMarkerSymbol *marker = mCallout->markerSymbol() )
685 whileBlocking( mMarkerSymbolButton )->setSymbol( marker->clone() );
686 else
687 whileBlocking( mMarkerSymbolButton )->setToNull();
688
689 whileBlocking( mAnchorPointComboBox )->setCurrentIndex( mAnchorPointComboBox->findData( static_cast<int>( callout->anchorPoint() ) ) );
690
691 whileBlocking( mCalloutBlendComboBox )->setBlendMode( mCallout->blendMode() );
692
693 registerDataDefinedButton( mOffsetFromAnchorDDBtn, QgsCallout::Property::OffsetFromAnchor );
694 registerDataDefinedButton( mAnchorPointDDBtn, QgsCallout::Property::AnchorPointPosition );
695 registerDataDefinedButton( mCalloutBlendModeDDBtn, QgsCallout::Property::BlendMode );
696
697 registerDataDefinedButton( mDestXDDBtn, QgsCallout::Property::DestinationX );
698 registerDataDefinedButton( mDestYDDBtn, QgsCallout::Property::DestinationY );
699 registerDataDefinedButton( mMarginsDDBtn, QgsCallout::Property::Margins );
700 registerDataDefinedButton( mWedgeWidthDDBtn, QgsCallout::Property::WedgeWidth );
701 registerDataDefinedButton( mCornerRadiusDDBtn, QgsCallout::Property::CornerRadius );
702}
703
704void QgsBalloonCalloutWidget::setGeometryType( Qgis::GeometryType type )
705{
706 const bool isPolygon = type == Qgis::GeometryType::Polygon;
707 mAnchorPointLbl->setEnabled( isPolygon );
708 mAnchorPointLbl->setVisible( isPolygon );
709 mAnchorPointComboBox->setEnabled( isPolygon );
710 mAnchorPointComboBox->setVisible( isPolygon );
711 mAnchorPointDDBtn->setEnabled( isPolygon );
712 mAnchorPointDDBtn->setVisible( isPolygon );
713}
714
715QgsCallout *QgsBalloonCalloutWidget::callout()
716{
717 return mCallout.get();
718}
719
720void QgsBalloonCalloutWidget::offsetFromAnchorUnitWidgetChanged()
721{
722 mCallout->setOffsetFromAnchorUnit( mOffsetFromAnchorUnitWidget->unit() );
723 mCallout->setOffsetFromAnchorMapUnitScale( mOffsetFromAnchorUnitWidget->getMapUnitScale() );
724 emit changed();
725}
726
727void QgsBalloonCalloutWidget::offsetFromAnchorChanged()
728{
729 mCallout->setOffsetFromAnchor( mOffsetFromAnchorSpin->value() );
730 emit changed();
731}
732
733void QgsBalloonCalloutWidget::fillSymbolChanged()
734{
735 mCallout->setFillSymbol( mCalloutFillStyleButton->clonedSymbol<QgsFillSymbol>() );
736 emit changed();
737}
738
739void QgsBalloonCalloutWidget::markerSymbolChanged()
740{
741 mCallout->setMarkerSymbol( mMarkerSymbolButton->isNull() ? nullptr : mMarkerSymbolButton->clonedSymbol<QgsMarkerSymbol>() );
742 emit changed();
743}
744
745void QgsBalloonCalloutWidget::mAnchorPointComboBox_currentIndexChanged( int index )
746{
747 mCallout->setAnchorPoint( static_cast<QgsCallout::AnchorPoint>( mAnchorPointComboBox->itemData( index ).toInt() ) );
748 emit changed();
749}
750
751void QgsBalloonCalloutWidget::mCalloutBlendComboBox_currentIndexChanged( int )
752{
753 mCallout->setBlendMode( mCalloutBlendComboBox->blendMode() );
754 emit changed();
755}
756
Qgis::GeometryType
GeometryType
The geometry types are used to group Qgis::WkbType in a coarse way.
Definition qgis.h:358
Qgis::GeometryType::Polygon
@ Polygon
Polygons.
Definition qgis.h:361
Qgis::RenderUnit::Millimeters
@ Millimeters
Millimeters.
Definition qgis.h:5184
Qgis::RenderUnit::Points
@ Points
Points (e.g., for font sizes).
Definition qgis.h:5188
Qgis::RenderUnit::MapUnits
@ MapUnits
Map units.
Definition qgis.h:5185
Qgis::RenderUnit::Pixels
@ Pixels
Pixels.
Definition qgis.h:5186
Qgis::RenderUnit::Inches
@ Inches
Inches.
Definition qgis.h:5189
Qgis::RenderUnit::MetersInMapUnits
@ MetersInMapUnits
Meters value as Map units.
Definition qgis.h:5191
Qgis::SymbolType::Marker
@ Marker
Marker symbol.
Definition qgis.h:611
Qgis::SymbolType::Line
@ Line
Line symbol.
Definition qgis.h:612
Qgis::SymbolType::Fill
@ Fill
Fill symbol.
Definition qgis.h:613
QgsAuxiliaryLayer::nameFromProperty
static QString nameFromProperty(const QgsPropertyDefinition &def, bool joined=false)
Returns the name of the auxiliary field for a property definition.
QgsBalloonCallout
A cartoon talking bubble callout style.
Definition qgscallout.h:881
QgsCalloutWidget
Base class for widgets which allow control over the properties of callouts.
Definition qgscalloutwidget.h:34
QgsCalloutWidget::context
QgsSymbolWidgetContext context() const
Returns the context in which the symbol widget is shown, e.g., the associated map canvas and expressi...
Definition qgscalloutwidget.cpp:72
QgsCalloutWidget::createExpressionContext
QgsExpressionContext createExpressionContext() const override
This method needs to be reimplemented in all classes which implement this interface and return an exp...
Definition qgscalloutwidget.cpp:31
QgsCalloutWidget::setContext
virtual void setContext(const QgsSymbolWidgetContext &context)
Sets the context in which the symbol widget is shown, e.g., the associated map canvas and expression ...
Definition qgscalloutwidget.cpp:56
QgsCalloutWidget::callout
virtual QgsCallout * callout()=0
Returns the callout defined by the current settings in the widget.
QgsCalloutWidget::layer
const QgsMapLayer * layer() const
Returns the vector layer associated with the widget.
Definition qgscalloutwidget.h:86
QgsCalloutWidget::changed
void changed()
Should be emitted whenever configuration changes happened on this symbol layer configuration.
QgsCalloutWidget::vectorLayer
Q_DECL_DEPRECATED const QgsVectorLayer * vectorLayer() const
Returns the vector layer associated with the widget.
Definition qgscalloutwidget.h:79
QgsCalloutWidget::registerDataDefinedButton
void registerDataDefinedButton(QgsPropertyOverrideButton *button, QgsCallout::Property key)
Registers a data defined override button.
Definition qgscalloutwidget.cpp:77
QgsCallout
Abstract base class for callout renderers.
Definition qgscallout.h:55
QgsCallout::clone
virtual QgsCallout * clone() const =0
Duplicates a callout by creating a deep copy of the callout.
QgsCallout::dataDefinedProperties
QgsPropertyCollection & dataDefinedProperties()
Returns a reference to the callout's property collection, used for data defined overrides.
Definition qgscallout.h:335
QgsCallout::propertyDefinitions
static QgsPropertiesDefinition propertyDefinitions()
Returns the definitions for data defined properties available for use in callouts.
Definition qgscallout.cpp:194
QgsCallout::anchorPoint
AnchorPoint anchorPoint() const
Returns the feature's anchor point position.
Definition qgscallout.h:365
QgsCallout::labelAnchorPoint
LabelAnchorPoint labelAnchorPoint() const
Returns the label's anchor point position.
Definition qgscallout.h:398
QgsCallout::AnchorPoint
AnchorPoint
Feature's anchor point position.
Definition qgscallout.h:116
QgsCallout::PointOnExterior
@ PointOnExterior
A point on the surface's outline closest to the label is used as anchor for polygon geometries.
Definition qgscallout.h:118
QgsCallout::Centroid
@ Centroid
The surface's centroid is used as anchor for polygon geometries.
Definition qgscallout.h:120
QgsCallout::PointOnSurface
@ PointOnSurface
A point guaranteed to be on the surface is used as anchor for polygon geometries.
Definition qgscallout.h:119
QgsCallout::PoleOfInaccessibility
@ PoleOfInaccessibility
The surface's pole of inaccessibility used as anchor for polygon geometries.
Definition qgscallout.h:117
QgsCallout::LabelAnchorPoint
LabelAnchorPoint
Label's anchor point position.
Definition qgscallout.h:128
QgsCallout::LabelPointOnExterior
@ LabelPointOnExterior
The point on the label's boundary closest to the feature.
Definition qgscallout.h:129
QgsCallout::LabelBottomLeft
@ LabelBottomLeft
Bottom left corner of the label's boundary.
Definition qgscallout.h:136
QgsCallout::LabelBottomMiddle
@ LabelBottomMiddle
Bottom middle of the label's boundary.
Definition qgscallout.h:137
QgsCallout::LabelMiddleLeft
@ LabelMiddleLeft
Middle left of the label's boundary.
Definition qgscallout.h:134
QgsCallout::LabelBottomRight
@ LabelBottomRight
Bottom right corner of the label's boundary.
Definition qgscallout.h:138
QgsCallout::LabelMiddleRight
@ LabelMiddleRight
Middle right of the label's boundary.
Definition qgscallout.h:135
QgsCallout::LabelTopMiddle
@ LabelTopMiddle
Top middle of the label's boundary.
Definition qgscallout.h:132
QgsCallout::LabelTopLeft
@ LabelTopLeft
Top left corner of the label's boundary.
Definition qgscallout.h:131
QgsCallout::LabelCentroid
@ LabelCentroid
The labe's centroid.
Definition qgscallout.h:130
QgsCallout::LabelTopRight
@ LabelTopRight
Top right corner of the label's boundary.
Definition qgscallout.h:133
QgsCallout::Property
Property
Data definable properties.
Definition qgscallout.h:87
QgsCallout::Property::MinimumCalloutLength
@ MinimumCalloutLength
Minimum length of callouts.
Definition qgscallout.h:88
QgsCallout::Property::LabelAnchorPointPosition
@ LabelAnchorPointPosition
Label's anchor point position.
Definition qgscallout.h:93
QgsCallout::Property::CornerRadius
@ CornerRadius
Balloon callout corner radius.
Definition qgscallout.h:102
QgsCallout::Property::OffsetFromAnchor
@ OffsetFromAnchor
Distance to offset lines from anchor points.
Definition qgscallout.h:89
QgsCallout::Property::OffsetFromLabel
@ OffsetFromLabel
Distance to offset lines from label area.
Definition qgscallout.h:90
QgsCallout::Property::DestinationX
@ DestinationX
X-coordinate of callout destination (feature anchor).
Definition qgscallout.h:96
QgsCallout::Property::DestinationY
@ DestinationY
Y-coordinate of callout destination (feature anchor).
Definition qgscallout.h:97
QgsCallout::Property::WedgeWidth
@ WedgeWidth
Balloon callout wedge width.
Definition qgscallout.h:101
QgsCallout::Property::AnchorPointPosition
@ AnchorPointPosition
Feature's anchor point position.
Definition qgscallout.h:92
QgsCallout::Property::OriginX
@ OriginX
X-coordinate of callout origin (label anchor).
Definition qgscallout.h:94
QgsCallout::Property::OriginY
@ OriginY
Y-coordinate of callout origin (label anchor).
Definition qgscallout.h:95
QgsCallout::Property::Curvature
@ Curvature
Curvature of curved line callouts.
Definition qgscallout.h:98
QgsCallout::Property::BlendMode
@ BlendMode
Callout blend mode.
Definition qgscallout.h:103
QgsCallout::Property::Orientation
@ Orientation
Orientation of curved line callouts.
Definition qgscallout.h:99
QgsCallout::Property::Margins
@ Margins
Margin from text.
Definition qgscallout.h:100
QgsCallout::Property::DrawCalloutToAllParts
@ DrawCalloutToAllParts
Whether callout lines should be drawn to all feature parts.
Definition qgscallout.h:91
QgsCurvedLineCallout
Draws curved lines as callouts.
Definition qgscallout.h:786
QgsCurvedLineCallout::Orientation
Orientation
Curve orientation.
Definition qgscallout.h:793
QgsCurvedLineCallout::Clockwise
@ Clockwise
Curve lines in a clockwise direction.
Definition qgscallout.h:795
QgsCurvedLineCallout::CounterClockwise
@ CounterClockwise
Curve lines in a counter-clockwise direction.
Definition qgscallout.h:796
QgsCurvedLineCallout::Automatic
@ Automatic
Automatically choose most cartographically pleasing orientation based on label and callout arrangemen...
Definition qgscallout.h:794
QgsExpressionContextScope
Single scope for storing variables and functions for use within a QgsExpressionContext.
Definition qgsexpressioncontext.h:116
QgsExpressionContextScope::addVariable
void addVariable(const QgsExpressionContextScope::StaticVariable &variable)
Adds a variable into the context scope.
Definition qgsexpressioncontext.cpp:139
QgsExpressionContextUtils::updateSymbolScope
static QgsExpressionContextScope * updateSymbolScope(const QgsSymbol *symbol, QgsExpressionContextScope *symbolScope=nullptr)
Updates a symbol scope related to a QgsSymbol to an expression context.
Definition qgsexpressioncontextutils.cpp:598
QgsExpressionContext
Expression contexts are used to encapsulate the parameters around which a QgsExpression should be eva...
Definition qgsexpressioncontext.h:474
QgsExpressionContext::setOriginalValueVariable
void setOriginalValueVariable(const QVariant &value)
Sets the original value variable value for the context.
Definition qgsexpressioncontext.cpp:760
QgsExpressionContext::EXPR_SYMBOL_COLOR
static const QString EXPR_SYMBOL_COLOR
Inbuilt variable name for symbol color variable.
Definition qgsexpressioncontext.h:900
QgsExpressionContext::appendScope
void appendScope(QgsExpressionContextScope *scope)
Appends a scope to the end of the context.
Definition qgsexpressioncontext.cpp:654
QgsExpressionContext::setHighlightedVariables
void setHighlightedVariables(const QStringList &variableNames)
Sets the list of variable names within the context intended to be highlighted to the user.
Definition qgsexpressioncontext.cpp:464
QgsExpressionContext::EXPR_ORIGINAL_VALUE
static const QString EXPR_ORIGINAL_VALUE
Inbuilt variable name for value original value variable.
Definition qgsexpressioncontext.h:898
QgsFillSymbol
A fill symbol type, for rendering Polygon and MultiPolygon geometries.
Definition qgsfillsymbol.h:30
QgsLineSymbol
A line symbol type, for rendering LineString and MultiLineString geometries.
Definition qgslinesymbol.h:30
QgsMapLayer
Base class for all map layer types.
Definition qgsmaplayer.h:80
QgsMargins::setBottom
void setBottom(double bottom)
Sets the bottom margin to bottom.
Definition qgsmargins.h:114
QgsMargins::setLeft
void setLeft(double left)
Sets the left margin to left.
Definition qgsmargins.h:96
QgsMargins::setRight
void setRight(double right)
Sets the right margin to right.
Definition qgsmargins.h:108
QgsMargins::setTop
void setTop(double top)
Sets the top margin to top.
Definition qgsmargins.h:102
QgsMarkerSymbol
A marker symbol type, for rendering Point and MultiPoint geometries.
Definition qgsmarkersymbol.h:31
QgsNewAuxiliaryLayerDialog
A dialog to create a new auxiliary layer.
Definition qgsnewauxiliarylayerdialog.h:33
QgsPropertyCollection::setProperty
void setProperty(int key, const QgsProperty &property)
Adds a property to the collection and takes ownership of it.
Definition qgspropertycollection.cpp:191
QgsPropertyOverrideButton
A button for controlling property overrides which may apply to a widget.
Definition qgspropertyoverridebutton.h:50
QgsPropertyOverrideButton::toProperty
QgsProperty toProperty() const
Returns a QgsProperty object encapsulating the current state of the widget.
Definition qgspropertyoverridebutton.cpp:199
QgsPropertyOverrideButton::updateFieldLists
void updateFieldLists()
Updates list of fields.
Definition qgspropertyoverridebutton.cpp:159
QgsPropertyOverrideButton::changed
void changed()
Emitted when property definition changes.
QgsPropertyOverrideButton::init
void init(int propertyKey, const QgsProperty &property, const QgsPropertiesDefinition &definitions, const QgsVectorLayer *layer=nullptr, bool auxiliaryStorageEnabled=false)
Initialize a newly constructed property button (useful if button was included in a UI layout).
Definition qgspropertyoverridebutton.cpp:103
QgsPropertyOverrideButton::registerExpressionContextGenerator
void registerExpressionContextGenerator(QgsExpressionContextGenerator *generator)
Register an expression context generator class that will be used to retrieve an expression context fo...
Definition qgspropertyoverridebutton.cpp:963
QgsPropertyOverrideButton::propertyKey
int propertyKey() const
Returns the property key linked to the button.
Definition qgspropertyoverridebutton.h:108
QgsPropertyOverrideButton::setToProperty
void setToProperty(const QgsProperty &property)
Sets the widget to reflect the current state of a QgsProperty.
Definition qgspropertyoverridebutton.cpp:284
QgsPropertyOverrideButton::createAuxiliaryField
void createAuxiliaryField()
Emitted when creating a new auxiliary field.
QgsProperty::setField
void setField(const QString &field)
Sets the field name the property references.
Definition qgsproperty.cpp:349
QgsSimpleLineCallout
A simple direct line callout style.
Definition qgscallout.h:515
QgsSymbolButton
A button for creating and modifying QgsSymbol settings.
Definition qgssymbolbutton.h:46
QgsSymbolButton::changed
void changed()
Emitted when the symbol's settings are changed.
QgsSymbolWidgetContext
Contains settings which reflect the context in which a symbol (or renderer) widget is shown,...
Definition qgssymbolwidgetcontext.h:35
QgsUnitSelectionWidget
A widget displaying a combobox allowing the user to choose between various display units,...
Definition qgsunitselectionwidget.h:163
QgsUnitSelectionWidget::changed
void changed()
Emitted when the selected unit is changed, or the definition of the map unit scale is changed.
QgsUnitTypes::RenderUnitList
QList< Qgis::RenderUnit > RenderUnitList
List of render units.
Definition qgsunittypes.h:82
QgsVectorLayer
Represents a vector layer which manages a vector based dataset.
Definition qgsvectorlayer.h:406
QgsVectorLayer::auxiliaryLayer
QgsAuxiliaryLayer * auxiliaryLayer()
Returns the current auxiliary layer.
Definition qgsvectorlayer.cpp:6298
whileBlocking
QgsSignalBlocker< Object > whileBlocking(Object *object)
Temporarily blocks signals from a QObject while calling a single method from the object.
Definition qgis.h:6511
QgsExpressionContextScope::StaticVariable
Single variable definition for use within a QgsExpressionContextScope.
Definition qgsexpressioncontext.h:123
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